问题：
The CSS rules visibility:hidden and display:none both result in the element not being visible. CSS规则visibility:hidden和display:none都会导致元素不可见。 Are these synonyms? 这些同义词是？
解决方案：
参考一： https://stackoom.com/question/Ybz/visibility-hidden和display-none之间有什么区别参考二： https://oldbug.net/q/Ybz/What-is-the-difference-between-visibility-hidden-and-display-none
来源：oschina
链接：https://my.oschina.net/u/4428122/blog/4312597